已证实，重金属铅可干扰下丘脑－垂体－睾丸轴的正常功能，主要是影响（）的释放。 ["前列腺激素","睾酮","促性腺释放激素","雄激素"]
Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command. ["a， c， f， g","b， c， f， h","a， b， c， f， g","a， b， c， f， g， h","b， c， f， e， g"]
关于对物流定义的理解，错误的是（） ["物流过程需要一体化","物流过程始终是由一系列作业环节组成的","物流的对象应该包括“人”","物流过程从横向可以分解为环节、作业和动作"]
As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（） [" Shut down the database"," Clear the online redo log"," Back up the database"," Checkpoint the database"," Call Oracle support"]
生态适宜度
假根
